commit

Author: 王俊超

.idea/modules.xml

@@ -0,0 +1,12 @@
+/**
+ * @author: wangjunchao(王俊超)
+ * @time: 2018-10-10 09:58
+ **/
+public class ListNode {
+    int      val;
+    ListNode next;
+
+    ListNode(int x) {
+        val = x;
+    }
+}

【237】【Delete Node in a Linked List】/src/ListNode.java

@@ -0,0 +1,31 @@
+/**
+ * <pre>
+ * Definition for singly-linked list.
+ * public class ListNode {
+ *     int val;
+ *     ListNode next;
+ *     ListNode(int x) { val = x; }
+ * }
+ * </pre>
+ * @author: wangjunchao(王俊超)
+ * @time: 2018-10-10 09:57
+ **/
+class Solution {
+    public void deleteNode(ListNode node) {
+
+        if (node == null || node.next == null) {
+            return;
+        }
+
+        ListNode prev = node;
+        while (node.next != null) {
+            node.val = node.next.val;
+            prev = node;
+            node = node.next;
+
+
+        }
+
+        prev.next = null;
+    }
+}

【237】【Delete Node in a Linked List】/src/Solution.java

@@ -0,0 +1,32 @@
+/**
+ * @author: wangjunchao(王俊超)
+ * @time: 2018-10-10 10:01
+ **/
+public class Test {
+    public static void main(String[] args) {
+        ListNode node = new ListNode(4);
+        node.next = new ListNode(5);
+        node.next.next = new ListNode(1);
+        node.next.next.next = new ListNode(9);
+
+        Solution solution = new Solution();
+        solution.deleteNode(node.next);
+
+        print(node);
+    }
+
+    private static void print(ListNode node) {
+        do {
+            if (node == null) {
+                System.out.println("null");
+            } else if (node.next != null){
+                System.out.print(node.val + "->");
+                node = node.next;
+            } else {
+                System.out.println(node.val + "->null");
+                node = node.next;
+            }
+
+        }while (node != null);
+    }
+}